<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'

import { ref } from 'vue'
import '@/assets/css/FancyStyle.css'
import '@/assets/css/fancySearchForm.css'
//文章分类数据模型
const categorys = ref([
    {
        "id": 3,
        "categoryName": "美食",
        "categoryAlias": "my",
        "createTime": "2023-09-02 12:06:59",
        "updateTime": "2023-09-02 12:06:59"
    },
    {
        "id": 4,
        "categoryName": "娱乐",
        "categoryAlias": "yl",
        "createTime": "2023-09-02 12:08:16",
        "updateTime": "2023-09-02 12:08:16"
    },
    {
        "id": 5,
        "categoryName": "军事",
        "categoryAlias": "js",
        "createTime": "2023-09-02 12:08:33",
        "updateTime": "2023-09-02 12:08:33"
    }
])
//用户搜索时选中的分类id
const categoryId=ref('')

//用户搜索时选中的发布状态
const state=ref('')

//文章列表数据模型
const articles = ref([
    {
        "id": 5,
        "title": "陕西旅游攻略",
        "content": "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
        "coverImg": "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
        "state": "草稿",
        "categoryId": 2,
        "createTime": "2023-09-03 11:55:30",
        "updateTime": "2023-09-03 11:55:30"
    },
    {
        "id": 5,
        "title": "陕西旅游攻略",
        "content": "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
        "coverImg": "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
        "state": "草稿",
        "categoryId": 2,
        "createTime": "2023-09-03 11:55:30",
        "updateTime": "2023-09-03 11:55:30"
    },
    {
        "id": 5,
        "title": "陕西旅游攻略",
        "content": "兵马俑,华清池,法门寺,华山...爱去哪去哪...",
        "coverImg": "https://big-event-gwd.oss-cn-beijing.aliyuncs.com/9bf1cf5b-1420-4c1b-91ad-e0f4631cbed4.png",
        "state": "草稿",
        "categoryId": 2,
        "createTime": "2023-09-03 11:55:30",
        "updateTime": "2023-09-03 11:55:30"
    },
])

//分页条数据模型
const pageNum = ref(1)//当前页
const total = ref(20)//总条数
const pageSize = ref(3)//每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size
    articleList();
}
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num
    articleList();
}

import {articleCategoryListService,articleListService} from '@/api/article.js'
const articleCategoryList = async()=>{
    let result = await articleCategoryListService();
    categorys.value = result.data;
}

const articleList = async()=>{
    let params = {
        pageNum:pageNum.value,
        pageSize:pageSize.value,
        categoryId:categoryId.value? categoryId.value:null,
        state:state.value? state.value:null
    }
    let result = await articleListService(params);
    total.value = result.data.total;
    articles.value = result.data.items;

    for(let i=0;i<articles.value.length;i++){
        let article = articles.value[i];
        for(let j=0;j<categorys.value.length;j++){
            if(article.categoryId == categorys.value[j].id){
                article.categoryName = categorys.value[j].categoryName;
            }
        }
    }
}

import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'
articleCategoryList();
articleList();

import {Plus} from '@element-plus/icons-vue'
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const articleModel = ref({
    title: '',
    categoryId: '',
    coverImg: '',
    content:'',
    state:''
})
const title = ref('')

import { useTokenStore } from '@/stores/token.js';
const tokenStore = useTokenStore();

const uploadSuccess = (result)=>{
    articleModel.value.coverImg = result.data
    console.log(result.data)
}

import {articleAddService,articleUpdateService,articleDeleteService} from '@/api/article.js'
import { ElMessage } from 'element-plus';
const addArticle = async(clickState)=>{
    // title.value='添加文章'
    articleModel.value.state = clickState;
    let result = await articleAddService(articleModel.value);
    ElMessage.success(result.msg? result.msg:'添加成功')
    visibleDrawer.value=false;
    articleList();
}

const clearData = ()=>{
    visibleDrawer.value=true;
    title.value='添加文章'
    articleModel.value.title = ''
    articleModel.value.coverImg = ''
    articleModel.value.categoryId = ''
    articleModel.value.content = ''
}

const showDialog = (row)=>{
    visibleDrawer.value=true;
    title.value='编辑文章';
    articleModel.value.title = row.title;
    articleModel.value.categoryId = row.categoryId;
    articleModel.value.coverImg = row.coverImg;
    articleModel.value.content = row.content;
    articleModel.value.id = row.id;
}

const updateArticle = async(clickState)=>{
    articleModel.value.state = clickState;
    let result = await articleUpdateService(articleModel.value);
    ElMessage.success(result.msg? result.msg:'编辑成功')
    articleList();
    visibleDrawer.value=false;
}

import { ElMessageBox } from 'element-plus';
const deleteArticle = (row)=>{
    ElMessageBox.confirm(
    '你确定要删除该文章吗?',
    '温馨提示',
    {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
    .then(async () => {
      let result = await articleDeleteService(row.id)
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      articleList();
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '取消操作',
      })
    })
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div >
                    <el-button type="primary" @click="clearData()">添加文章</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
<el-form inline class="fancy-search-form">
  <el-form-item label="文章分类：">
    <el-select
      placeholder="请选择"
      v-model="categoryId"
      style="width: 160px"
    >
      <el-option
        v-for="c in categorys"
        :key="c.id"
        :label="c.categoryName"
        :value="c.id"
      />
    </el-select>
  </el-form-item>

  <el-form-item label="发布状态：">
    <el-select placeholder="请选择" v-model="state" style="width: 160px">
      <el-option label="已发布" value="已发布"></el-option>
      <el-option label="草稿" value="草稿"></el-option>
    </el-select>
  </el-form-item>

  <el-form-item>
    <el-button type="primary" @click="articleList" class="fancy-btn confirm">搜索</el-button>
    <el-button @click="categoryId='';state=''" class="fancy-btn cancel">重置</el-button>
  </el-form-item>
</el-form>
        </el-form>
        <!-- 文章列表 -->
  <el-table :data="articles" style="width: 100%" class="custom-table" border highlight-current-row>
    <!-- 序号圆形tag -->
    <el-table-column label="序号" width="100" type="index">
      <template #default="{ $index }">
        <span class="tag tag-index">{{ $index + 1 }}</span>
      </template>
    </el-table-column>

    <el-table-column label="文章标题" prop="title">
      <template #default="{ row }">
        <span class="tag tag-blue">{{ row.title }}</span>
      </template>
    </el-table-column>

    <el-table-column label="分类" prop="categoryName">
      <template #default="{ row }">
        <span class="tag tag-orange">{{ row.categoryName }}</span>
      </template>
    </el-table-column>

    <el-table-column label="发表时间" prop="createTime">
      <template #default="{ row }">
        <span class="tag tag-purple">{{ row.createTime }}</span>
      </template>
    </el-table-column>

    <el-table-column label="状态" prop="state">
      <template #default="{ row }">
        <span class="tag" :class="row.state === '已发布' ? 'tag-green' : 'tag-gray'">
          {{ row.state }}
        </span>
      </template>
    </el-table-column>

    <el-table-column label="操作" width="160">
      <template #default="{ row }">
        <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)" />
        <el-button :icon="Delete" circle plain type="danger" @click="deleteArticle(row)" />
      </template>
    </el-table-column>

    <template #empty>
      <el-empty description="没有数据" />
    </template>
  </el-table>


        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5 ,10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
    <!-- 抽屉 -->
<el-drawer
  v-model="visibleDrawer"
  :title="title"
  direction="rtl"
  size="50%"
  class="fancy-dialog"
>
  <el-form :model="articleModel" label-width="100px" class="fancy-form">
    <el-form-item label="文章标题" prop="title" class="fancy-input">
      <el-input v-model="articleModel.title" placeholder="请输入标题" />
    </el-form-item>

    <el-form-item label="文章分类" prop="categoryId" class="fancy-input">
      <el-select v-model="articleModel.categoryId" placeholder="请选择">
        <el-option
          v-for="c in categorys"
          :key="c.id"
          :label="c.categoryName"
          :value="c.id"
        />
      </el-select>
    </el-form-item>

    <el-form-item label="文章封面" class="fancy-input">
      <el-upload
        class="avatar-uploader"
        :auto-upload="true"
        :show-file-list="false"
        action="/api/upload"
        name="file"
        :headers="{ Authorization: tokenStore.token }"
        :on-success="uploadSuccess"
      >
        <img
          v-if="articleModel.coverImg"
          :src="articleModel.coverImg"
          class="avatar"
          alt="封面"
        />
        <el-icon v-else class="avatar-uploader-icon">
          <Plus />
        </el-icon>
      </el-upload>
    </el-form-item>

    <el-form-item label="文章内容" class="fancy-input" prop="content">
      <div class="editor" style="min-height: 300px;">
        <quill-editor
          theme="snow"
          v-model:content="articleModel.content"
          contentType="html"
        />
      </div>
    </el-form-item>

    <el-form-item>
      <el-button
        type="primary"
        class="fancy-btn confirm"
       @click="title=='添加文章'? addArticle('已发布'):updateArticle('已发布')"
      >
        发布
      </el-button>
      <el-button
        type="info"
        class="fancy-btn cancel"
        @click="title=='添加文章'? addArticle('草稿'):updateArticle('草稿')"
      >
        草稿
      </el-button>
    </el-form-item>
  </el-form>
</el-drawer>

    </el-card>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
/* 抽屉样式 */
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}

</style>